Home / 330,140.62-455,595.92-194,180.28

Finding the Fourth Proportional to 330,140.62, 455,595.92 and 194,180.28

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Solution

The fourth proportional to 330,140.62, 455,595.92 and 194,180.28 is: 267,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,140.62 : 455,595.92 = 194,180.28 : x
  2. Step 2: Convert to fraction form
    330,140.62/455,595.92 = 194,180.28/x
  3. Step 3: Cross multiply
    330,140.62x = 455,595.92 × 194,180.28
  4. Step 4: Simplify right side
    330,140.62x = 88,467,743,312.46
  5. Step 5: Solve for x
    x = 88,467,743,312.46/330,140.62
  6. Step 6: Final answer
    x = 267,969.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.